US3266260A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Venting overhead condenser responsive to pressure differential
Assignee: Phillips Petroleum Co
•
Filing: 1963-10-23
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Granted: 1966-08-16
•
Expires: 1983-10-23
Abstract
No abstract record available.
Inventors
- 👤 Carl S Kelley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 08:56
CPC Classifications
B; B01; B01D; B01D11/00; B01D11/04; B01D11/0403; B01D11/0407; C; C10; C10G; C10G21/00; C10G21/003; C10G21/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
150 words
APPARATUS COMPRISING, IN COMBINATION, A FIRST VESSEL, A FIRST AND SECOND INLET CONDUIT TO SAID FIRST VESSEL, A FIRST OUTLET CONDUIT IN A LOWER PORTION OF SAID VESSEL, A SECOND OUTLET CONDUIT IN AN UPPER PORTION OF SAID VESSEL IN COMMUNICATION WITH A SECOND VESSEL, A COOLING MEANS DISPOSED SO AS TO COOL AT LEAST A PORTION OF SAID SECOND OUTLET CONDUIT, A THIRD OUTLET CONDUIT IN COMMUNICATION WITH THE LOWER PORTION OF SAID SECOND VESSEL AND SAID FIRST VESSEL, A VENT CONDUIT IN AN UPPER PORTION OF SAID SECOND VESSEL, A VALVE MEANS IN SAID VENT CONDUIT, MEANS FOR PROVIDING A PRESSURE IN SAID FIRST VESSEL GREATER THAN THE PRESSURE IN SAID SECOND VESSEL, PRESSURE SENSING MEANS DISPOSED SO AS TO DETERMINE THE DIFFERENCE IN PRESSURE IN SAID FIRST AND SECOND VESSELS, AND CONTROL MEANS FOR ACTUATING SAID VALVE MEANS RESPONSIVE TO A SIGNAL FROM SAID PRESSURE SENSING MEANS.
Claim 2
Dependent Claim
150 words
APPARATUS COMPRISING, IN COMBINATION, A FIRST VESSEL, A FIRST AND SECOND INLET CONDUIT TO SAID FIRST VESSEL, A FIRST OUTLET CONDUIT IN A LOWER PORTION OF SAID VESSEL, A SECOND OUTLET CONDUIT IN AN UPPER PORTION OF SAID VESSEL IN COMMUNICATION WITH A SECOND VESSEL, A COOLING MEANS DISPOSED SO AS TO COOL AT LEAST A PORTION OF SAID SECOND OUTLET CONDUIT, A THIRD OUTLET CONDUIT IN COMMUNICATION WITH THE LOWER PORTION OF SAID SECOND VESSEL AND SAID FIRST VESSEL, A VENT CONDUIT IN AN UPPER PORTION OF SAID SECOND VESSEL, A VALVE MEANS IN SAID VENT CONDUIT, MEANS FOR PROVIDING A PRESSURE IN SAID FIRST VESSEL GREATER THAN THE PRESSURE IN SAID SECOND VESSEL, PRESSURE SENSING MEANS DISPOSED SO AS TO DETERMINE THE DIFFERENCE IN PRESSURE IN SAID FIRST AND SECOND VESSELS, AND CONTROL MEANS FOR ACTUATING SAID VALVE MEANS RESPONSIVE TO A SIGNAL FROM SAID PRESSURE SENSING MEANS.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-15 | 1970-02-14 | 1970-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-15 | 1974-02-14 | 1974-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-15 | 1978-02-14 | 1978-08-16 | $7700.00 | Window Closed / Lapsed |